In the Linux kernel, the following vulnerability has been resolved: LoongArch: Add spectre boundry for syscall dispatch table The LoongArch syscall number is directly controlled by userspace, but does not have a array_index_nospec() boundry to prevent access past the syscall function pointer tables.

There are packages installed that are affected by a vulnerability referenced in the following CVE:

  - In the Linux kernel, the following vulnerability has been resolved: LoongArch: Add spectre boundry for
    syscall dispatch table The LoongArch syscall number is directly controlled by userspace, but does not have
    a array_index_nospec() boundry to prevent access past the syscall function pointer tables.
    (CVE-2026-45993)

An update of the linux package has been released.

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - LoongArch: Add spectre boundry for syscall dispatch table The LoongArch syscall number is directly     controlled by userspace, but does not have a array_index_nospec() boundry to prevent access past the     syscall function pointer tables. (CVE-2026-45993)

Note that Nessus relies on the presence of the package as reported by the vendor.

ID	Name	Product	Family	Type	Severity
459462	Echo: linux: security update to 6.12.86-1	Tenable Cloud Security	Echo Local Security Checks	Local	medium
459462	Echo: linux: security update to 6.12.86-1	Tenable Self-Hosted Container Security	Echo Local Security Checks	Local	medium
333941	Photon OS 5.0: Linux PHSA-2026-5.0-92-0926	Nessus	PhotonOS Local Security Checks	Local	high
332436	Photon OS 5.0: Linux PHSA-2026-5.0-91-0904	Nessus	PhotonOS Local Security Checks	Local	high
329326	Photon OS 5.0: Linux PHSA-2026-5.0-0926	Nessus	PhotonOS Local Security Checks	Local	high
323389	Photon OS 5.0: Linux PHSA-2026-5.0-0904	Nessus	PhotonOS Local Security Checks	Local	high
317179	Linux Distros Unpatched Vulnerability : CVE-2026-45993	Nessus	Misc.	Local	medium

Detections

Analytics

CVE-2026-45993

medium

Tenable Plugins

medium

medium

high

high

high

high

medium